期刊
ROFO-FORTSCHRITTE AUF DEM GEBIET DER RONTGENSTRAHLEN UND DER BILDGEBENDEN VERFAHREN
卷 174, 期 1, 页码 50-55出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2002-19533
关键词
magnetic resonance tomography; lymphatic system neoplasms; extracapsular neoplastic spread; muscle-vessel infiltration
Objective: Assessment of the value of magnetic resonance tomography in the determination of extracapsular neoplastic spread and soft tissue infiltration of cervical lymph nodes. Materials and Methods: The results of magnetic resonance tomographies of 110 patients with squamous cell carcinoma in the head-neck region were prospectively compared with the findings of the histologic examination after neck dissection. Results: Magnetic resonance tomography reaches a specificity of 72.2% in the detection of extracapsular neoplastic spread. The sensitivity of the method is 74.4%. Mainly small (less than 1 cm; n = 11) extracapsular growth was not detected and was diagnosed false-negative in the MRI examinations. Conclusion: The specificity (72.2%) and sensitivity (74.4%) of MRI examinations to detect extracapsular spread of lymph nodes is only partially satisfying.
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